Material: The sink is made of copper, fine workmanship, corrosion and rust resistant.The seals are made of silicone, anti-aging and anti-crack, have greater sealing performance. Unique Design: The slot sink has a unique design that prevents overflow, solid brass bouncing cores have good rebound and rebound resistance so that the water can quickly seal and drain the water with just one press. Easy Installation: The sink can be installed in a few steps completely without any commercial instructions due to its simple and practical structure. Easy cleaning: The sink drain is easy to clean, all components can be easily removed.You can easily unscrew the top drain plug and clean it with a cloth.No hairs or encrustations. Wide use: ideal for most wash basins, sinks